doc: improve node.js+fips instructions

Improves the documentation for building Node.js with openssl-3.0.0+quic
with enabled FIPS support. Adds missing but necesary steps to the
documentation and makes it complete.

Co-authored-by: Antoine du Hamel <duhamelantoine1995@gmail.com>

PR-URL: https://github.com/nodejs/node/pull/39390


Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>